claude official skill one-click installa

algorithmic-art helps create original generative art in p5.js with a two-step workflow: write an algorithmic philosophy, then build runnable .html and .js outputs with seeded randomness, parameter controls, and an interactive viewer.

brand-guidelines gives agents Anthropic brand colors and typography for restyling docs, slides, HTML, and other text-led artifacts. Use it to apply consistent on-brand formatting, font hierarchy, and palette choices after content is drafted.

canvas-design helps create original static visual work through a two-step flow: write a design philosophy in Markdown, then render it as a .png or .pdf. Best for posters, cover art, concept visuals, and UI-adjacent campaign graphics with minimal text.

claude-api is a practical skill for installing and using the Claude API and Anthropic SDKs. It helps developers choose the right SDK or raw HTTP path, detect language-specific docs, and implement streaming, tool use, files, batches, and error handling with less guesswork.

doc-coauthoring is a structured workflow for drafting docs with AI through context gathering, iterative outlining, section-by-section writing, and reader testing for review-ready specs, RFCs, and proposals.

The docx skill helps agents create, inspect, convert, and edit .docx files with practical workflows for pandoc, unpack/repack, comments, tracked changes, and LibreOffice-based conversion.

frontend-design helps you turn vague UI ideas into distinctive, production-grade interfaces with real frontend code, strong aesthetic direction, and less generic AI styling.

The internal-comms skill helps write internal company communications like 3P updates, newsletters, FAQs, status reports, and leadership updates using example-driven formats from the Anthropic skills repository.

mcp-builder is a practical guide for planning, building, and evaluating MCP servers for external APIs and services. It helps developers choose tool scope, naming, transport, Python or Node implementation patterns, and evaluation workflows so agents can use the server reliably.

The pdf skill guides PDF Processing tasks like text extraction, merge and split operations, rendering pages to images, and PDF form workflows. It is especially useful for checking fillable fields, extracting form metadata, and validating non-fillable form layouts with scripts.

Use the pptx skill to read, create, edit, split, merge, and inspect PowerPoint .pptx files. It guides you through text extraction with markitdown, thumbnail review, unpack/edit/clean/pack workflows, and PptxGenJS for new deck creation.

skill-creator is a Skill Authoring meta-skill for drafting new skills, revising existing SKILL.md files, running evals, comparing variants, and improving trigger descriptions with repository scripts and review tools.

slack-gif-creator is a code-first skill for creating Slack-friendly animated GIFs with Python helpers for frame building, optimization, and validation. Use it to install dependencies, build loops with GIFBuilder, and export emoji or message GIFs that fit Slack size, timing, and color constraints.

theme-factory is a curated theming skill for slides, docs, reports, and landing pages. Review the showcase, choose from 10 preset themes, then apply consistent colors and font pairings to your artifact.

web-artifacts-builder helps you initialize a React, Tailwind CSS, and shadcn/ui project, develop normally, then bundle it into a single bundle.html artifact. Best for complex frontend artifacts with state, routing, or richer UI, not simple one-file demos.

webapp-testing is a skill for testing local web apps with Python Playwright. It helps agents start servers with scripts/with_server.py, inspect rendered UI, discover selectors, capture screenshots and console logs, and validate frontend behavior with a reconnaissance-first workflow.

The xlsx skill helps agents read, edit, repair, create, and convert .xlsx, .xlsm, .csv, and .tsv files when the required deliverable is a spreadsheet. It is strongest for template-preserving updates, formula-safe workbook edits, messy tabular cleanup, and practical spreadsheet workflows backed by repo scripts for packing, validation, and recalculation.